//
//  BGMCity.m
//  BGM
//
//  Created by liuqin on 2018/12/7.
//  Copyright © 2018 com.alirtc.demo. All rights reserved.
//

#import "BGMCity.h"
static BGMCity *city = nil;

@implementation BGMCity
+ (BGMCity *)shareInstance{
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        city = [[BGMCity alloc]init];
    });
    return city;
}


@end
